    
        class MyFrame(wx.Frame):

            def __init__(self, parent):

                wx.Frame.__init__(self, parent)                    

                self.timer = wx.Timer(self, TIMER_ID)
                self.Bind(wx.EVT_TIMER, self.OnTimer)
    
                self.timer.Start(1000)    # 1 second interval
        
    
            def OnTimer(self, event):
        
                # do whatever you want to do every second here
                print('Hello')
                
        
